RM2,332 Cheap Flights from Seoul (ICN) to Seattle (SEA)

View RM2,332 flight on Thu, 18 Jun 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Seoul to Seattle (ICN-SEA)

Prices were available within the past 7 days and start at RM2,332 for one-way flights and RM3,309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 3 Sept - Mon, 7 Sept
ICN
Seoul
SEA
Seattle
RM3,309 Return, found 3 days ago
RM3,309
Return
found 3 days ago
Select American Airlines flight, departing Thu, 3 Sept from Seoul to Seattle, returning Mon, 7 Sept, priced at RM3,309 found 3 days ago
Delta
Thu, 18 Jun - Sat, 1 Aug
ICN
Seoul
SEA
Seattle
RM3,549 Return, found 6 days ago
RM3,549
Return
found 6 days ago
Select Delta flight, departing Thu, 18 Jun from Seoul to Seattle, returning Sat, 1 Aug, priced at RM3,549 found 6 days ago
Korean Air
Thu, 18 Jun - Sat, 1 Aug
ICN
Seoul
SEA
Seattle
RM3,589 Return, found 6 days ago
RM3,589
Return
found 6 days ago
Select Korean Air flight, departing Thu, 18 Jun from Seoul to Seattle, returning Sat, 1 Aug, priced at RM3,589 found 6 days ago
Delta
Wed, 3 Jun - Wed, 10 Jun
ICN
Seoul
SEA
Seattle
RM3,684 Return, found 5 days ago
RM3,684
Return
found 5 days ago
Select Delta flight, departing Wed, 3 Jun from Seoul to Seattle, returning Wed, 10 Jun, priced at RM3,684 found 5 days ago
Korean Air
Wed, 3 Jun - Wed, 10 Jun
ICN
Seoul
SEA
Seattle
RM3,723 Return, found 5 days ago
RM3,723
Return
found 5 days ago
Select Korean Air flight, departing Wed, 3 Jun from Seoul to Seattle, returning Wed, 10 Jun, priced at RM3,723 found 5 days ago
Philippine Airlines
Thu, 3 Sept - Wed, 9 Sept
ICN
Seoul
SEA
Seattle
RM4,608 Return, found 2 days ago
RM4,608
Return
found 2 days ago
Select Philippine Airlines flight, departing Thu, 3 Sept from Seoul to Seattle, returning Wed, 9 Sept, priced at RM4,608 found 2 days ago
Delta
Thu, 17 Sept - Mon, 21 Sept
ICN
Seoul
SEA
Seattle
RM4,788 Return, found 2 days ago
RM4,788
Return
found 2 days ago
Select Delta flight, departing Thu, 17 Sept from Seoul to Seattle, returning Mon, 21 Sept, priced at RM4,788 found 2 days ago
Singapore Airlines
Wed, 19 Aug - Thu, 24 Sept
ICN
Seoul
SEA
Seattle
RM4,843 Return, found 12 hours ago
RM4,843
Return
found 12 hours ago
Select Singapore Airlines flight, departing Wed, 19 Aug from Seoul to Seattle, returning Thu, 24 Sept, priced at RM4,843 found 12 hours ago
China Airlines
Sat, 5 Sept - Wed, 9 Sept
ICN
Seoul
SEA
Seattle
RM4,853 Return, found 20 hours ago
RM4,853
Return
found 20 hours ago
Select China Airlines flight, departing Sat, 5 Sept from Seoul to Seattle, returning Wed, 9 Sept, priced at RM4,853 found 20 hours ago
United
Thu, 3 Sept - Mon, 7 Sept
ICN
Seoul
SEA
Seattle
RM5,021 Return, found 3 days ago
RM5,021
Return
found 3 days ago
Select United flight, departing Thu, 3 Sept from Seoul to Seattle, returning Mon, 7 Sept, priced at RM5,021 found 3 days ago

Find the cheapest month to fly from Seoul (ICN) to Seattle (SEA)

September is typically the cheapest month to fly

From RM 1,538 - RM 3,764 per traveller.

Frequently asked questions

How much is a flight from Seoul–Incheon Intl. Airport to Sea-Tac Airport?
Start packing your bags, because round-trip flights from Seoul–Incheon Intl. Airport to SEA start from RM3,309. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul–Incheon Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
Each air carrier has its own terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Seoul–Incheon Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seoul–Incheon Intl. Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ICN to Sea-Tac Airport?
The distance is around 8,400 kilometres. Neck pillow? Check. Warm clothes? Check. We recommend you pack all the essentials for this long-haul South Korea to SeaTac flight.
Which airlines fly direct from ICN to SEA?
With 39 flights every month operating from ICN to SEA, Delta Air Lines (DL) is a top choice. Another airline operating on this route is Korean Air (KE). You'll have 21 flights every month to take your pick of.
Are Seoul–Incheon Intl. Airport to SEA flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Incheon Airport to Sea-Tac Airport can be hit-or-miss. You may be able to score a bargain, but you could also completely miss out! If you'd prefer to start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines advertise their prices so far in advance. Our suggestion? Check back often as prices are updated regularly.

Travel information

Origin airport
Incheon Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, Cathay Pacific, China Airlines, Delta, Emirates, Japan Airlines, Korean Air, Philippine Airlines, United, WestJet
Return price
RM3,309
Distance
8326 km
Average flight time
-5 hours -59 mins

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Perfect flights from Seoul to Seattle

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seoul to Seattle

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